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Process for System Architecture and Requirements Engineering by Derek Hatley, Peter Hruschka, Imtiaz Pirbhai

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Appendix: Changes, Improvements, and Misconceptions Since the Methods’ Introduction

A.1. A Learning Experience

Since Strategies for Real-Time System Specification was published in 1987, the Hatley/Pirbhai methods—which, as we mentioned in Chapter 1, should now be called the Hatley/Hruschka/Pirbhai methods, or H/H/P—have been put to diverse use worldwide. We and many others have spent years training people in the system development process and in applying the requirements and architecture methods within that process. Simultaneously, many CASE tool developers have attempted to automate the methods in their products. Most importantly, many individuals, projects, and corporations have applied the process principles and the methods in their system ...

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